private static int RenderHdrToCubemapSkybox(Matrix4 view, Matrix4 projection, ISceneObject skybox)
{
GL.CullFace(CullFaceMode.Front);
GL.DepthFunc(DepthFunction.Lequal);
SkyboxSceneObjectComponent skyboxComponent = (SkyboxSceneObjectComponent)skybox.components["SkyboxSceneObjectComponent"];
MeshSceneObjectComponent skyboxMeshComponent = (MeshSceneObjectComponent)skybox.components["MeshSceneObjectComponent"];
GL.UseProgram(skyboxComponent.Shader.ProgramID);
skyboxComponent.Shader.EnableVertexAttribArrays();
GL.UniformMatrix4(skyboxComponent.Shader.GetUniform("projection"), false, ref projection);
Matrix4 clearTraslationViewMatrix = view.ClearTranslation();
GL.UniformMatrix4(skyboxComponent.Shader.GetUniform("view"), false, ref clearTraslationViewMatrix);
bool isSetted =
new UniformHelper().
TryAddUniformTextureCubemap(skyboxComponent.EnvironmentMap, "environmentMap", skyboxComponent.Shader, TextureUnit.Texture0);
if (!isSetted)
{
Console.WriteLine("wrong uniform");
}
GL.DrawElements(BeginMode.Triangles, skyboxMeshComponent.ModelMesh.IndiceCount, DrawElementsType.UnsignedInt, 0 * sizeof(uint));
GL.DepthFunc(DepthFunction.Less);
skyboxComponent.Shader.DisableVertexAttribArrays();
return(skyboxMeshComponent.ModelMesh.IndiceCount);
}
public Skybox(string skyboxLocation = "Resources//newport_loft.hdr") : base("HdriSkybox")
{
SkyboxSceneObjectComponent skyboxComponent =
new SkyboxSceneObjectComponent(skyboxLocation,
SkyboxSceneObjectComponent.SkyboxType.hdr);
MeshSceneObjectComponent meshComponent = new MeshSceneObjectComponent(
new WavefrontModelLoader(),
"Resources/box.obj1"
);
AddComponent(meshComponent);
AddComponent(skyboxComponent);
}
public Skybox(ShaderProg shader, string skyboxLocation = "Resources//Cubemaps") : base("CubemapSkybox")
{
SkyboxSceneObjectComponent skyboxComponent =
new SkyboxSceneObjectComponent(skyboxLocation,
shader,
SkyboxSceneObjectComponent.SkyboxType.cubemap);
MeshSceneObjectComponent meshComponent = new MeshSceneObjectComponent(
new WavefrontModelLoader(),
"Resources/box.obj1"
);
AddComponent(meshComponent);
AddComponent(skyboxComponent);
}
public void OnLoad()
{
//sceneObjects which required for default render pipeline camera etc.
List <ISceneObject> specificSceneObjects = new List <ISceneObject>();
//gather specific objects
foreach (ISceneObject sceneObject in Objects)
{
//gather all light sources
if (sceneObject.components.ContainsKey("PointLightSceneObjectComponent"))
{
Lights.Add(sceneObject);
}
//gather cameras
if (sceneObject.GetType().Name == "PlayerCamera")
{
Cam = (Camera)sceneObject.components["Camera"];
specificSceneObjects.Add(sceneObject);
}
//gather skybox
if (sceneObject.GetType().Name == "Skybox")
{
Skybox = sceneObject;
SkyboxComponent = (SkyboxSceneObjectComponent)Skybox.components["SkyboxSceneObjectComponent"];
}
}
//remove specific objects from main collection of sceneObjects
foreach (SceneObject sceneObject in specificSceneObjects)
{
sceneObject.OnLoad();
Objects.Remove(sceneObject);
}
foreach (SceneObject sceneObject in Lights)
{
Objects.Remove(sceneObject);
}
}